#include "junix.h"
 
int main(int argc, char **argv)
{
	printf("%d\n",max(3,5));
	printf("%d\n",min(3,5));

	int a=1,b=2;
	printf("%d %d\n",a,b);
	swap(a,b);
	printf("%d %d\n",a,b);

	return 0;
}

